255624120 has 128 divisors (see below), whose sum is σ = 875246400. Its totient is φ = 66313728.

The previous prime is 255624113. The next prime is 255624137. The reversal of 255624120 is 21426552.

255624120 is a `hidden beast` number, since 25 + 5 + 624 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36762 + ... + 43158.

Almost surely, 2^255624120 is an apocalyptic number.

255624120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255624120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437623200).

255624120 is an abundant number, since it is smaller than the sum of its proper divisors (619622280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255624120 is a wasteful number, since it uses less digits than its factorization.

255624120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454 (or 6444 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 255624120 is about 15988.2494351320. The cubic root of 255624120 is about 634.6495017386.

The spelling of 255624120 in words is "two hundred fifty-five million, six hundred twenty-four thousand, one hundred twenty".